Monday, September 10, 2018

Launching a few weeks behind its twin Viking 1, Viking 2 followed suit and flew as an orbiter-lander pair to enter Mars orbit. The landers then separated from the orbiters and descended to the planet's surface. - September 9, 1975 [3009 x 1426]


http://bit.ly/2xJF2yE via /r/spaceporn http://bit.ly/2p2iqmV